TY - BOOK AU - Nyombayire, Alphonse. TI - Combining ability and genotype by environment interaction of selecte d maize inbred lines for performance under low nitrogen and drought str ess U1 - 631.523 22 PY - 2011/// CY - Kampala KW - Corn KW - Breeding KW - Climatic factors N1 - Unpublished thesis M.Sc. (Plant Breeding & Seed Syst. ) - Makerere U niversity, 2011; Includes bibliographical references (p. 83-89) ER -